hail, the size of golf balls pelted people from west virginia to indiana. and another suspected twister ripped homes off their foundations in tennessee. sam will have the complete weather in a moment. >>> staffing at air traffic control towers around the country, this morning, is being reviewed after two planes landed at reagan national airport outside washington without any help from the tower. the one controller on duty early wednesday had apparently nodded off. two controllers will now be assigned to that shift. >>> the pentagon is planning to hand over command of the military operation in libya by this weekend. but it's unclear who will take the reins. moammar gadhafi's forces are showing no signs of letting up, launching attacks on rebels in several cities. >>> the turmoil overseas is pushing oil prices to new highs. some analysts are predicting $5 a gallon gas prices by this summer in some parts of the country. >>> in tokyo this morning, authorities say the tap water is now safe for everyone there to drink. radiation levels dropped today. but danger r